DavidGilbert99 writes: "A new piece of malware has been discovered which targets Mac OS X, on the same day that Apple launches Mac OS X Mountain Lion to the public.

The malware, known variously as Crisis and Morcut, has been discovered by security company Sophos and preliminary investigation shows if features compontent to help it hide; a backdoor component which opens up your Mac to others on your network, a command-and-control component so it can accept remote instructions and adapt its behaviour, data stealing code, and more."